Body support member with lattice structure

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto, wherein the compressive lattice structure comprises a pair of spaced apart beams defining an opening therebetween, and wherein the skin lattice structure is coupled to the compressive lattice structure and spans across the opening.

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto, wherein the compressive lattice structure comprises a cellular matrix comprising a first portion having at least one layer of unit cells and a second portion having a plurality of layers of unit cells, wherein the second portion has more layers of unit cells than the first layer, and comprising a transition between the first and second portions;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto.

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto;
• and
• a non-lattice structure positioned between portions of the structural lattice structure such that the structural lattice structure is discontinuous.

A body support structure comprising:

• a structural lattice structure having a first stiffness, wherein the structural lattice structure defines at least a portion of a base, a seat support connected to the base and a back frame connected to one of the base or seat support;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto.

A body support structure comprising:

• a structural lattice structure having a first stiffness, wherein the structural lattice structure defines at least a portion of a base, a seat support connected to the base and a back frame connected to one of the base or seat support, wherein the base comprises a pedestal having a floor-engaging portion;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto;
• and
• a strut disposed between the base and one of the seat support or back frame, wherein the strut comprises:
• spaced apart first and second end portions coupled to the base and the one of the seat support or back frame respectively;
• and
• an intermediate compressive lattice structure connected to the first and second end portions;
• wherein the first and second end portions are moveable between a nominal position and a compressed position, wherein the intermediate compressive lattice structure is compressible between a nominal configuration and a compressed configuration corresponding to the nominal and compressed positions, wherein the intermediate compressive lattice structure applies a biasing force to the first and second end portions when in the compressed configuration.

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto, wherein the structural lattice structure, compressive lattice structure and skin lattice structure are free of any mechanical interconnections therebetween.

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto;
• wherein at least one of the structural lattice structure, compressive lattice structure and skin lattice structure comprises an integrated kinematic feature, wherein the integrated kinematic feature comprises a movement limiter and a biasing member.

A body support structure comprising:

• a structural lattice structure having a first stiffness;
• a compressive lattice structure supported by the structural lattice structure, wherein the compressive lattice structure has a second stiffness less than the first stiffness, wherein the compressive lattice structure is compressible in response to a first normal force applied thereto, wherein the compressive lattice structure comprises a thermoplastic polyurethane;
• and
• a skin lattice structure supported by the compressive lattice structure, wherein the skin lattice structure is resistant to shear deformation in response to a second normal force applied thereto, and wherein the skin lattice structure is expandable in a direction transverse to the second normal force applied thereto in response to the second normal force being applied thereto.